condition	mean	min	max
4 h after light	51.5	51.5	51.5
8 h after light	65.1	64.8	65.4
12 h after light	38.6	13.8	63.4
4 h after dark	63.5	28.3	98.7
8 h after dark	74.25	57.6	90.9
12 h after dark	38.45	36.6	40.3